The 7×49 GJW (AKA: 7×49 Wasser) is a Center Fire cartridge with a Bullet Diameter of 0.285 in” (7.24mm) that is primarily used in Pistols. The 7×49 GJW originated in Germany in 1990. The 7×49 GJW also has a case length of 1.92 in” (48.77mm) and an overall length of 2.89 in” (73.41mm).
The 7×49 GJW, sometimes called the 7 GJW or 7×49 Wasser, was created by Guido J. Wasser of Germany, designed to offer increased muzzle energies and provide exceptional knock-down power. The 7×49 GJW was originall created by Wasser, a competition silhouette shooter, for sport shooting at steel targets. Wasser is a founding member of the IMSSU, or International Metallic Silhouette Shooting Union, his participation in which inspired the creation of the 7×49 GJW cartridge. The 7×49 GJW Cartridge is created by necking up a 5.6x50mm Magnum Cartridge to accept a 7mm (.284″) projectile, often utilizing the Sierra Match King projectiles for ballistic efficiency. For more information on GJ Wasser or the IMMSU, you can visit IMSSU.ORG or to STEELCHICKENS.COM, an information resource and Forum area for Silhouette Shooters.
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